Welcome back!The DEA brings Nancy in for questioning. Then she must explain things to Esteban. Celia travels deep into Mexico to make amends with estranged daughter Quinn. Meanwhile, Silas meets Lisa’s ex-husband and Doug finds a reason to live. Nancy makes a shocking revelation to Esteban.
A fed up Nancy squeals to the DEA to bust the tunnel while she plays it cool with Esteban. Embracing rehab, Celia sets out to make amends with her family. Andy succumbs to Maria’s advances, and later comes clean to Doug. Shane impresses his girlfriends with his drug scoring abilities.
Nancy must deal with the aftermath of Shane’s exploits, her Ayuasca trip, and more confrontation with Guillermo. Celia’s struggles with her rehab partner, Barry, force her to find a new rehab facility. Doug and Maria’s relationship quickly goes south and they both turn to Andy for help.
Nancy learns that the tunnel is being used for more than drugs. Esteban puts her fears to rest as well as her nagging headache with a strong remedy. Celia’s family stages an intervention in order to force her into rehab. Andy finds Maria and takes her across the border to an awaiting Doug.
Despite their busy schedules, Nancy and Esteban try to find some time for each other. After finding out about Shane’s fantasies and Silas’s new and much older girlfriend, Nancy also has to talk to both of her sons. With their relationship going on, Lisa and Silas add some special offerings to her cheese shop.
A spontaneous date ends in near-violence for Nancy and Esteban; Silas reveals to Lisa that he grows pot, and she makes him a tempting offer; Andy and Doug smuggle their first customer across the border; Celia develops an addiction.
Nancy has more problems at work, Celia discovers cheap pharmaceuticals, Silas gets deeper into his relationship with Lisa, and Andy and Doug take a big step.
Guillermo puts Nancy in charge of a maternity clothing store and she finds out she’ll make much more than the average retail manager.